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From 07/02/2017 to 07/31/2017

08/01/2017

10:14 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Edit:
Applying https://charm.cs.illinois.edu/gerrit/#/c/2849/ and compiling with -DAMPI_LOCAL_IMPL=0 indeed seems ...
Matthias Diener

07/31/2017

06:28 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
... Sam White
06:20 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
I also tried with netlrts-darwin-x86_64-smp. Could you post your full build line? Maybe there is an issue with argume... Matthias Diener
06:16 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Hmm, it fixed the issue for me on netlrts-darwin-x86_64-smp. What build are you running? Sam White
04:04 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Does disabling inline messaging fix this bug? If yes, should we disable inline messaging also when CMK_TRACE_ENABLED ... Matthias Diener
02:43 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
This gives users a way to build with inline messaging disabled as a workaround: https://charm.cs.illinois.edu/gerrit/... Sam White
11:55 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
I bisected this bug to the following commit:
22ac66875b1b90c52c54b1327efdddf5816abfcd
AMPI: execute local sends ...
Matthias Diener
11:27 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
6.7.1 shipped with a bug in MPI_Info's handling of strings, which would show up in AMPI_Migrate(MPI_Info) calls. That... Sam White
11:13 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Hmm, testing it again, the crash does seem somewhat different (no mention of isomalloc), and happens only rarely, so ... Matthias Diener
10:50 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Hmm when I had tested it with 6.7.1 on netlrts-darwin-x86_64-smp, I think it passed, but maybe I didn't run it enough... Sam White
10:44 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
I tested this with 6.7.1, which crashes as well. So it is definitely not a regression.
Looking at Phil's suggestion...
Matthias Diener
10:01 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
We're not actually using [inline] entry methods, we're just calling the C++ methods directly on the object returned b... Sam White
09:52 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Without digging into the code, I'm guessing the issue is that the tracing code allocates stack objects to track funct... Phil Miller
02:17 PM Documentation #1645 (Closed): Review Standalone Build/Directives for GPU Manager Documentation
As fixed here: https://charm.cs.illinois.edu/gerrit/#/c/2838/, the stand alone checks for the GPU Manager were messin... Ronak Buch
12:39 PM Feature #1420 (Implemented): Lockless queue build option --enable-lockless-queue (off by default)
Bilge Acun
09:49 AM Bug #1642 (Closed): bgclang builds broken
Phil Miller

07/30/2017

09:27 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
It looks like this only happens when a message that is for a recipient VP on the same PE as the sender is sent inline... Sam White

07/28/2017

07:33 AM Documentation #1605: FAQ: 6 . 0 . 8 Which C++ language features cause porting problems?
Bump, the release is expected to be out next week. Sam White
07:33 AM Documentation #1602: FAQ: 5 . 0 . 3 Can I use TotalView?
Bump, the release is expected to be out next week. Sam White
07:32 AM Documentation #1082: Improve SMP mode documentation
Bump, the release is expected to be out next week. Sam White
07:32 AM Documentation #1588: FAQ : How do I use GPGPUs in Charm++?
Bump, the release is expected to be out next week. Sam White
07:32 AM Documentation #1596: FAQ: 2 . 0 . 7 How do I specify the processors I want to use?
Bump, the release is expected to be out next week. Sam White

07/26/2017

05:59 PM Bug #1642 (Resolved): bgclang builds broken
charmconfig.out showed that bgclang was not found:
bgclang++ -Wno-deprecated-declarations -I../include -I. -I/bgs...
Nitin Bhat
07:42 AM Bug #1642: bgclang builds broken
Assigning to Nitin because he's in charge of the autobuild on BGQ. Sam White
07:38 AM Bug #1642 (Closed): bgclang builds broken
The bgclang builds in autobuild have been broken since 7/21/17. Seems like an upgrade to the bgclang compilers might ... Sam White

07/24/2017

02:41 PM Support #1512: Measure test coverage
I've added a commit - @b134360992dc073e510f47cf7b1e47bd749b3161@ - which adds a couple of coverage scripts.
Run th...
Anirudh Manoj
02:38 PM Bug #1641 (Rejected): charmrun with nodelist option (++nodelist) fails on campus cluster
[nbhat4@golub162 pingpong]$ ~/gennodelist.sh > ./nodelist && ./charmrun +p2 ++nodelist ./nodelist ./pgm
Charmrun> sc...
Nitin Bhat

07/23/2017

10:03 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Megampi exhibits the same problem. Matthias Diener
05:55 AM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
I can reproduce this, and verify that the failure only happens in SMP mode with tracing on. Additionally, it only hap... Sam White

07/22/2017

06:02 PM Bug #1640: Segfault during migration for AMPI in SMP mode with "-tracemode projections"
Going back to commit 9df608634 (which is the one before AMPI tracing changes were merged) shows the same crash, so th... Matthias Diener
05:44 PM Bug #1640 (In Progress): Segfault during migration for AMPI in SMP mode with "-tracemode projecti...
When running @make OPTS="-tracemode projections" test@ in @examples/ampi/Cjacobi3d@, the application crashes after th... Matthias Diener

07/21/2017

11:11 AM Bug #1547: Deprecate the FFT library in ck-libs in favor of Nikhil's new FFT library
Just a few questions about the way forward.
# The prior library's documentation notes that the AMPI API was 'not in ...
Justin Szaday

07/20/2017

06:25 PM Bug #1639 (Implemented): AMPI MPI_IN_PLACE support is broken
Sam White
04:52 PM Bug #1639 (In Progress): AMPI MPI_IN_PLACE support is broken
https://charm.cs.illinois.edu/gerrit/#/c/2831/ Sam White
04:03 PM Bug #1639: AMPI MPI_IN_PLACE support is broken
3 things to be careful of when handling MPI_IN_PLACE:
- error checking of send{buf,type,count} has to be aware of MP...
Sam White
02:57 PM Bug #1639 (Merged): AMPI MPI_IN_PLACE support is broken
The MPI standard says that when MPI_IN_PLACE is passed as the sendbuf, the corresponding sendtype and sendcount (and ... Sam White

07/19/2017

05:05 PM Documentation #1638 (New): Manual has incorrect populateInitial API
It still uses the old API that took number of initial elements instead of CkArrayOptions. Furthermore, the manual has... Eric Mikida
03:02 PM Bug #1409: verbs crashes on Stampede KNL and Bridges
For examples/converse/pingpong, I saw another verbs layer related crash:
[nbhat4@r135 pingpong]$ ./charmrun +p2 ....
Nitin Bhat
02:59 PM Bug #1409: verbs crashes on Stampede KNL and Bridges
I saw this crash for verbs-linux-x86_64 on Bridges as well.
Nitin Bhat

07/18/2017

06:37 PM Feature #1468 (New): Enable pre-pinning memory for the zero-copy message sends through the Entry ...
Sam White
06:37 PM Feature #1637 (Merged): Zero-copy send support in the OFI layer
Perhaps Intel can be talked into implementing the necessary support for the new OFI layer? Otherwise we'll need to do... Sam White
02:42 PM Feature #954: Update AMPI's version of MPICH test suite
I ran the mpich-3.2 test suite on mainline AMPI today. There are many more tests than the mpich-2 test suite. To summ... Sam White
10:43 AM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
Run of openatom build with charm version that produced the original failure v6.8.0-beta1-295-g8b554d0, now runs to co... Eric Bohm
09:53 AM Bug #1636 (New): Update the machine layer template configuration in src/arch/template
The template directory src/arch/template serves as a template for developing a new machine layer. The configuration s... Nitin Bhat
09:39 AM Bug #1634: HDF5 issues in AMPI
'-tlsglobals' currently requires static linking: https://charm.cs.illinois.edu/redmine/issues/1220
For migration, ...
Sam White

07/17/2017

02:06 PM Bug #1635 (New): Cleanup and Activate the Charm++ Topology Examples
The 3D examples under charm++/topology (jacobi3d and matmul3d) fail due to Arithmetic/Floating point errors in the Co... Justin Szaday
11:36 AM Bug #1239: Cleanup reduction uses in the runtime
I cleaned up all of the uses of `setReductionClient` in the tests except for those in `tests/charm++/megatest/reducti... Justin Szaday
10:57 AM Bug #1627 (Closed): preserving OPTS_CXX breaks application builds on different machines
Phil Miller
09:41 AM Bug #1630 (Rejected): OpenAtom crashes during launch at startup on BlueWaters using master charm ...
I managed to halfway automate the bisect process and have reproduced Juan's finding. Binaries produced by current ch... Eric Bohm
11:07 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
I built latest charm master branch on BW (up to 58f6f16077535e24f5c474cc1ee7ea8aaa059bb2: Bug #1632: ST_RecursivePart... Juan Galvez

07/16/2017

02:55 PM Bug #1634: HDF5 issues in AMPI
The issues to test and improve are:
* -Test if applications work with the shared library (currently, only the stat...
Matthias Diener
02:52 PM Bug #1634 (New): HDF5 issues in AMPI
The HDF5 library is available for AMPI at
https://charm.cs.illinois.edu/gerrit/#/admin/projects/hdf5-ampi
This b...
Matthias Diener

07/15/2017

04:51 PM Bug #1448 (Implemented): Potential buffer overflows in fscanf()
Patch here: https://charm.cs.illinois.edu/gerrit/2796 Matthias Diener
04:31 PM Feature #1573 (Merged): Make HDF5 library available for AMPI
Matthias Diener
04:20 PM Feature #1573 (Implemented): Make HDF5 library available for AMPI
The current version of hdf5-ampi is usable and passes the PlasCom2 tests, which exercises a substantial part of the A... Matthias Diener

07/14/2017

05:08 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
Sounds reasonable, I agree. Juan Galvez
05:06 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
Also, one hopes that fixing #1632 will make debugging this issue faster Phil Miller
05:06 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
The relationship linkage is their discovery - a link in the comments here doesn't indicate over there where #1632 cam... Phil Miller
05:00 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
Like I said, these shouldn't be related at all, since the error on Edison would not appear on Blue Waters. Juan Galvez
01:23 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
Opened new issue for that here: https://charm.cs.illinois.edu/redmine/issues/1632
Fix coming soon.
Juan Galvez
01:10 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
That wouldn't happen on Blue Waters. Juan Galvez
01:08 PM Bug #1630: OpenAtom crashes during launch at startup on BlueWaters using master charm (again)
Edison dies with a topology error at higher node counts. Unclear if this is actually a related bug, or a different i... Eric Bohm
04:55 PM Bug #1632 (Merged): ST_RecursivePartition (spanning tree) crashes during init with large node cou...
Phil Miller
02:32 PM Bug #1632: ST_RecursivePartition (spanning tree) crashes during init with large node counts on sy...
patch tested and found to address the issue correctly for large (>32node) openatom runs on edison. Eric Bohm
01:28 PM Bug #1632 (Implemented): ST_RecursivePartition (spanning tree) crashes during init with large nod...
Juan Galvez
01:28 PM Bug #1632: ST_RecursivePartition (spanning tree) crashes during init with large node counts on sy...
Fix here: https://charm.cs.illinois.edu/gerrit/#/c/2789/ Juan Galvez
01:23 PM Bug #1632 (Merged): ST_RecursivePartition (spanning tree) crashes during init with large node cou...
As documented by Eric B:
"Edison dies with a topology error at higher node counts. Unclear if this is actually a rel...
Juan Galvez
02:26 PM Bug #1633: NodeGroup Broadcasts creates many copies of the message for point to point sends
This all boils down to @src/arch/util/machine-broadcast.c@ and the setting of @CMK_BROADCAST_USE_CMIREFERENCE@ in @sr... Phil Miller
02:14 PM Bug #1633 (In Progress): NodeGroup Broadcasts creates many copies of the message for point to poi...
Broadcast to a nodegroup results in the message being copied once for each destination node. These are then sent in ... Eric Bohm
11:05 AM Bug #1201: SMP builds segfault on NULL lock in tests/charm++/chkpt
As for Sam's note, Ck*Array*ReductionMgr got removed - CkNodeReductionMgr is still very much there, to support NodeGr... Phil Miller
10:59 AM Bug #1201: SMP builds segfault on NULL lock in tests/charm++/chkpt
I just checked - this failure wasn't seen in Jenkins Nightly-Build for mpi-linux-x86_64-smp or its successors since t... Phil Miller
09:10 AM Bug #1627: preserving OPTS_CXX breaks application builds on different machines
By setting __INTEL_PRE_CFLAGS rather than OPTS_CXX I am able to accomplish what I want. Jim Phillips
10:33 PM Bug #1507: ckio test failure on gni-crayxc
I'm getting this failure again on Blue Waters using charm version 5fd855b. It seems to only be happening with large ... Thomas Quinn
09:51 PM Feature #1631 (Merged): AMPI lacks API to clear LB database
Sam White

07/13/2017

04:57 PM Bug #1627: preserving OPTS_CXX breaks application builds on different machines
Actually, I think I can do what I need using the __INTEL_PRE_CFLAGS environment variable. Jim Phillips
04:53 PM Bug #1627: preserving OPTS_CXX breaks application builds on different machines
I don't think there's anywhere that we 'support' building applications in one environment against a build of Charm++ ... Phil Miller
04:46 PM Bug #1627: preserving OPTS_CXX breaks application builds on different machines
My automated builds use the same (old, picky) environment for Charm++ and NAMD. The problem arises when people try t... Jim Phillips
04:19 PM Bug #1627 (Feedback): preserving OPTS_CXX breaks application builds on different machines
Sam White
03:40 PM Feature #1434 (Implemented): optimize degenerate CkLoop cases
https://charm.cs.illinois.edu/gerrit/#/c/2782/ Sam White
10:06 PM Feature #1237: Onesided sender side implementation for GNI layer
Related patches merged:
Allocate machine specific info along with the charm message: https://charm.cs.illinois.edu...
Sam White
10:04 PM Cleanup #1203 (Merged): AMPI forces builds to be serial for ROMIO
https://charm.cs.illinois.edu/gerrit/#/c/2761/ Sam White
10:03 PM Feature #952 (In Progress): Update AMPI's version of ROMIO
Marking "In Progress" to reflect the fact that we've updated to a more recent version, though not the most recent ver... Sam White
09:56 PM Feature #1631 (Implemented): AMPI lacks API to clear LB database
https://charm.cs.illinois.edu/gerrit/#/c/2778/ Sam White

07/12/2017

05:36 PM Feature #1631 (Merged): AMPI lacks API to clear LB database
AMPI has APIs for starting and stopping LB instrumentation, but no method to clear or reset the LB database. This cou... Sam White
05:18 PM Bug #1630 (Rejected): OpenAtom crashes during launch at startup on BlueWaters using master charm ...
OpenAtom ran fine on 75ea9d902febb0552170ab61ff79d14588494d7c
But crashes during application startup with current ...
Eric Bohm
11:12 AM Bug #1629: Valgrind shows invalid writes at GNI_SmsgSendWTag calls for charm programs built on gn...
A third possibility that I neglected up in comment 2 - all of this space is properly allocated, just through a functi... Phil Miller
09:25 AM Bug #1331: Isomalloc hangs in startup for Clang non-SMP builds
os-isomalloc is now the default version of isomalloc used on all non-SMP builds: https://charm.cs.illinois.edu/gerrit... Sam White
09:24 AM Bug #1375: os-isomalloc failures during startup on SMP builds
os-isomalloc is now the default version of isomalloc used on all non-SMP builds: https://charm.cs.illinois.edu/gerrit... Sam White

07/11/2017

03:29 PM Projections Feature #1525: Bracketed User Events Track Numerical Values
Agreed, being able to provide data and use a vector would be useful. In the mean time, we have a tracing method calle... Ronak Buch
03:25 PM Documentation #1588 (In Progress): FAQ : How do I use GPGPUs in Charm++?
Michael Robson
03:25 PM Documentation #1596 (In Progress): FAQ: 2 . 0 . 7 How do I specify the processors I want to use?
Michael Robson
02:34 PM Feature #1626 (Merged): Modify the keyword "rdma" to "nocopy"
Changed "rdma" .ci file keyword to "nocopy" and the "rdma()" send wrapper routine to "CkSendBuffer()". Sam White
02:11 PM Bug #1572 (In Progress): Improve pup_stl performance
Eric Bohm
01:06 PM Documentation #1603 (Merged): FAQ: 5 . 0 . 4 How do I use gdb with Charm++ programs?
Sam White
01:06 PM Documentation #1597 (Merged): FAQ: 3 . 0 . 2 What is an ``entry method''?
Sam White
01:06 PM Documentation #1595 (Merged): FAQ: 2 . 0 . 3 How do I compile Charm++?
Sam White
11:55 AM Documentation #1592 (Merged): FAQ: 1 . 0 . 7 What is the future of Charm++?
Eric Bohm
11:47 AM Bug #1625 (Merged): Rdma example rdma/simpleRdma crashes on pamilrts-bluegeneq for within physica...
Phil Miller
11:14 AM Bug #1045: Array pointers in messages can be overwritten by generated code in the message class c...
My original notes from 2011-01-07:
> Shortly before Christmas, Akhil and I isolated a bug in Charm++ code
> that ...
Phil Miller

07/10/2017

06:26 PM Bug #1629: Valgrind shows invalid writes at GNI_SmsgSendWTag calls for charm programs built on gn...
And the addresses being touched in this run:... Phil Miller
06:18 PM Bug #1629: Valgrind shows invalid writes at GNI_SmsgSendWTag calls for charm programs built on gn...
In @converse/commbench@, I get the initial report from ~10 instruction addresses in @GNII_SmsgSend@, and the followin... Phil Miller
05:29 PM Bug #1629: Valgrind shows invalid writes at GNI_SmsgSendWTag calls for charm programs built on gn...
I know we want to make a comparison to other errors that Valgrind reports, but this one isn't a leak. It's an outrigh... Phil Miller
04:14 PM Bug #1629: Valgrind shows invalid writes at GNI_SmsgSendWTag calls for charm programs built on gn...
Are there other leaks that look like this that don't come from the Charm initialization phases? This particular leak,... Sam White
03:37 PM Bug #1629 (New): Valgrind shows invalid writes at GNI_SmsgSendWTag calls for charm programs built...
1. Build charm with target gni-crayxc and flags -g -O0
2. Build examples/charm++/hello/1darray with -g -O0
3. Run t...
Nitin Bhat
01:14 AM Bug #1628 (New): Error while compiling LogAnalyzer tool in BigNetSim
Hello,
I am trying to convert the trace logs produced by the BigSim Emulator to be able to analyze them and find a...
Ashmita Raju

07/07/2017

02:59 PM Bug #1627: preserving OPTS_CXX breaks application builds on different machines
Why are the runtime system and application being built on two different machines, with such distinct environments? Co... Phil Miller
02:30 PM Bug #1625 (Implemented): Rdma example rdma/simpleRdma crashes on pamilrts-bluegeneq for within ph...
The machine specific information is now allocated with the charm message (containing the buffer and the md message) t... Nitin Bhat
02:27 PM Documentation #1595 (Implemented): FAQ: 2 . 0 . 3 How do I compile Charm++?
https://charm.cs.illinois.edu/gerrit/#/c/2757/ Sam White
02:27 PM Documentation #1597 (Implemented): FAQ: 3 . 0 . 2 What is an ``entry method''?
https://charm.cs.illinois.edu/gerrit/#/c/2757/ Sam White
02:27 PM Documentation #1603 (Implemented): FAQ: 5 . 0 . 4 How do I use gdb with Charm++ programs?
https://charm.cs.illinois.edu/gerrit/#/c/2757/ Sam White
01:40 PM Bug #1331: Isomalloc hangs in startup for Clang non-SMP builds
After upgrading prowess to Xenial (default compiler: gcc 5.4.0), Jenkins nightly build failed with mpi-linux-x86_64 i... Sam White
12:02 PM Feature #1573 (In Progress): Make HDF5 library available for AMPI
Patch to merge hdf5 into the charm/ampi distribution was abandoned in favor of hosting a separate repo for our modifi... Sam White
11:28 AM Bug #1240 (Merged): MPI_COMM_SELF handling issues in AMPI
Sam White

07/06/2017

06:32 PM Bug #1240: MPI_COMM_SELF handling issues in AMPI
Related: make collectives optimizations for MPI_COMM_SELF apply to all comms with size of 1: https://charm.cs.illinoi... Sam White
12:59 PM Bug #1240: MPI_COMM_SELF handling issues in AMPI
It would probably be good to get this into 6.8.0 Sam White
12:59 PM Bug #1240 (Implemented): MPI_COMM_SELF handling issues in AMPI
https://charm.cs.illinois.edu/gerrit/#/c/2753/ Sam White
10:53 AM Bug #1240: MPI_COMM_SELF handling issues in AMPI
Yes, I'm working on the full support now Sam White
05:44 PM Documentation #1592: FAQ: 1 . 0 . 7 What is the future of Charm++?
Where was this implemented? Sam White
05:43 PM Documentation #1590 (Merged): FAQ: 1 . 0 . 5 Does anybody actually use Charm++?
https://charm.cs.illinois.edu/gerrit/#/c/2718/ Sam White
05:42 PM Documentation #1587 (Merged): FAQ: 1 . 0 . 4 Will Charm++ run on my machine?
Sam White
05:04 PM Bug #1560: icc build fails on NASA Pleiades
Jim, could you please elaborate? Phil Miller
04:56 PM Bug #1560: icc build fails on NASA Pleiades
When I pass OPTS_CXX="-gxx-name=g++44" to the build script it is preserved for future charmc invocations, which break... Jim Phillips
04:52 PM Bug #1627 (Closed): preserving OPTS_CXX breaks application builds on different machines
After https://charm.cs.illinois.edu/gerrit/gitweb?p=charm.git;a=commit;h=cf9d5d1f4ca0f4d3c27727f8ab30e665e24b9154 com... Jim Phillips
04:17 PM Bug #1155: AMPI's non-blocking collectives are not sequenced
I updated the above patches to support all kinds of bcasts (non-blocking, intercomm). Sam White
03:48 PM Feature #1626 (Implemented): Modify the keyword "rdma" to "nocopy"
Fix: https://charm.cs.illinois.edu/gerrit/#/c/2754/ Nitin Bhat
11:49 AM Feature #1626: Modify the keyword "rdma" to "nocopy"
As the Zero Copy API supports within process transfers and non-RDMA layers, it was decided over a slack discussion on... Nitin Bhat
11:47 AM Feature #1626 (Merged): Modify the keyword "rdma" to "nocopy"
Nitin Bhat

07/05/2017

06:09 PM Bug #1625 (Merged): Rdma example rdma/simpleRdma crashes on pamilrts-bluegeneq for within physica...
This only happens when the two processes are within the same physical node. The crash is not because of the newly add... Nitin Bhat
02:09 PM Documentation #1590 (Implemented): FAQ: 1 . 0 . 5 Does anybody actually use Charm++?
Eric Bohm
02:08 PM Documentation #1592 (Implemented): FAQ: 1 . 0 . 7 What is the future of Charm++?
Eric Bohm
01:36 PM Bug #1624: missing fences in CkLoop implementation
Are CmiMemoryReadFence and CmiMemoryWriteFence somehow not portable and sufficient? Otherwise 6.8.0 CkLoop is broken ... Jim Phillips

07/03/2017

04:02 PM Bug #1624: missing fences in CkLoop implementation
The group discussed this in core at some point. The code is apparently fine on x86 with its strict memory ordering se... Phil Miller
01:12 PM Bug #1624 (Merged): missing fences in CkLoop implementation
Reported by Sameer Kumar, CkLoop reportFinished() needs a write fence to guarantee that results are visible to the th... Jim Phillips
04:00 PM Bug #1623 (Merged): Fix autobuild failure in gni-crayxc-smp caused by examples/rdma/simpleRdma be...
Phil Miller
02:06 PM Bug #1076: failure to exit after long run on PSC Bridges
The hangs went away after switching from Intel MPI to OpenMPI. I'm assuming it was a bug in Intel MPI on OmniPath. Jim Phillips
08:22 AM Bug #1076: failure to exit after long run on PSC Bridges
It would be helpful to know if this is still an issue. MPI_Test is not supposed to be a blocking operation, though th... Phil Miller
08:13 AM Bug #1076: failure to exit after long run on PSC Bridges
Format description Phil Miller
08:12 AM Bug #1001 (Closed): netlrts with replicas leaves zombie processes behind
Clearing out bugs like this. Phil Miller
 

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